Resource Block Group Sizing for Low-Overhead Multi-Cell Scheduling
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Solution Overview
Problem
Existing wireless communications systems face inefficiencies in scheduling multiple transmissions across cells due to large overhead in control messages for larger bandwidth parts, particularly with existing resource block group (RBG) sizes.
Innovation Solution
Implementing increased RBG sizes, such as 32, and additional RBG size configurations to reduce overhead in control messages, allowing for efficient scheduling of multiple transmissions using a single control message.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If existing resource block group sizes are used for scheduling multiple transmissions across multiple cells, then the control message can be transmitted, but the control message overhead becomes large for larger bandwidth parts
Solution Approach 1:
The patent applies parameter changes by introducing a new resource block group size parameter (rbg-SizeDCI-1-X) that can be configured independently of traditional RBG sizes. This parameter allows the system to adapt the resource block group size based on bandwidth part size and scheduling requirements, thereby reducing control message overhead for larger bandwidth parts while maintaining scheduling efficiency for multiple transmissions across multiple cells.
2Productivity
If larger bandwidth parts are used to increase system capacity, then more resources are available, but the control message overhead increases significantly
Solution Approach 1:
The patent implements dynamics by making the resource block group size configurable and adaptable rather than fixed. The parameter rbg-SizeDCI-1-X can be dynamically adjusted based on the bandwidth part size and the number of cells being scheduled. This dynamic adjustment allows the system to optimize control message overhead for larger bandwidth parts while maintaining the ability to schedule multiple transmissions efficiently.
3Productivity
If multiple transmissions are scheduled using a single control message, then scheduling efficiency improves, but the complexity of determining appropriate resource block group sizes increases
Solution Approach 1:
The patent applies segmentation by separating the resource block group size configuration from the traditional bandwidth part configuration. The parameter rbg-SizeDCI-1-X is introduced as an independent configuration element that can be separately adjusted. This segmentation allows the system to simplify the determination of resource block group sizes when scheduling multiple transmissions across multiple cells, as the configuration is divided into manageable, independent parameters rather than requiring complex interdependent calculations.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first control message including a resource block group size parameter that includes a resource block group size configuration. The UE may receive a single second control message scheduling a plurality of transmissions in a plurality of cells and including a plurality of frequency domain resource allocation fields indicating a plurality of resource block groups. The UE may communicate a first transmission in one or more resource block groups of the plurality of resource block groups in accordance with a first resource block group size.